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  <title>Pathname of current directory</title>
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  <div id="layout-content"><div id="function.posix-getcwd" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">posix_getcwd</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">posix_getcwd</span> &mdash; <span class="dc-title">Pathname of current directory</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.posix-getcwd-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>posix_getcwd</strong></span>(): <span class="type"><span class="type">string</span>|<span class="type"><span class="type false">false</span></span></span></div>

  <p class="para rdfs-comment">
   Gets the absolute pathname of the script&#039;s current working directory.
   On error, it sets errno which can be checked using
   <span class="function"><a href="function.posix-get-last-error.html" class="function">posix_get_last_error()</a></span>
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.posix-getcwd-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.posix-getcwd-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns a <span class="type">string</span> of the absolute pathname on success.  
   On error, returns <strong><code>false</code></strong> and sets errno which can be checked with
   <span class="function"><a href="function.posix-get-last-error.html" class="function">posix_get_last_error()</a></span>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.posix-getcwd-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3283">
    <p><strong>示例 #1 <span class="function"><strong>posix_getcwd()</strong></span> example</strong></p>
    <div class="example-contents"><p>
     This example will return the absolute path of the current working 
     directory of the script.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #DD0000">'My&nbsp;current&nbsp;working&nbsp;directory&nbsp;is&nbsp;'</span><span style="color: #007700">.</span><span style="color: #0000BB">posix_getcwd</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 
 <div class="refsect1 notes" id="refsect1-function.posix-getcwd-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    This function can fail on
    <ul class="itemizedlist">
     <li class="listitem">
      <span class="simpara">Read or Search permission was denied</span>
     </li>
     <li class="listitem">
      <span class="simpara">Pathname no longer exists</span>
     </li>
    </ul> 
   </p>
  </p></blockquote>
 </div>


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